Some say the iPad's new A5x chip packing quad-core graphics are contributing to a warmer iPad.
Any truth to this review?
Thermal issues for the iPad unit
Hi,
According to Raymond Soneira, who is the president of Display mate technology, the heat issues in iPad is mainly due to the LED
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– There are a double number of LEDs, and the heat generated by all these LEDs cause problems at full brightness
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– The amount of power needed is twice. As the new iPad has more pixels more brightness is needed for a clear display. So obviously more power is needed which adds to the heat
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– In order to provide the power requirements, the battery has to deliver more, hence battery also gets warmer
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The A5X chip packing quad-core graphics  is warmer as its speed and size is greater, which also contributes to the heat. However, we cannot point this as the main cause of the heat issues.
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The main issue would be related to the LED display.
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Thermal issues for the iPad unit
If that’s true then maybe it is really what’s causing the unusual heating of the iPad. But it’s not an issue actually after CNET has tested the device for its heating issue. It’s possible that the unusual heating of the device is produced by the new A5X chip which is kicking more heat on its Graphics Processing Unit or GPU. In a normal desktop computer, we all know that video cards also can easily get hot while a user is playing a computer game.
The heat produced on the hardware is caused mainly by the processing of heavy graphics in the video game. This is the reason why most graphics accelerator on most computers has a built-in cooling fan to maintain the device’s temperature. Because there are times the device gets overheated even if it is already equipped with a cooling fan. It is really not an issue for CNET even if the iPad gets hotter than the usual. It is still the highest rated tablet on their website.
